10010221 has 8 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 8838192.

The previous prime is 10010213. The next prime is 10010227. The reversal of 10010221 is 12201001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10010221 - 2³ = 10010213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16441 + ... + 17038.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^10010221 is an apocalyptic number.

It is an amenable number.

10010221 is a deficient number, since it is larger than the sum of its proper divisors (1239059).

10010221 is a wasteful number, since it uses less digits than its factorization.

10010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33515.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10010221 is about 3163.8933294282. The cubic root of 10010221 is about 215.5168455993.

Adding to 10010221 its reverse (12201001), we get a palindrome (22211222).

The spelling of 10010221 in words is "ten million, ten thousand, two hundred twenty-one".